Transcriptome analysis of the brain provides insights into the regulatory mechanism forCoilia nasusmigration
文献类型： 外文期刊
作者： Wang, Meiyao 1 ; Xu, Gangchun 1 ; Tang, Yongkai 1 ; Xu, Pao 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Key Lab Freshwater Fisheries & Germplasm Resource, Minist Agr, Freshwater Fisheries Res Ctr, Wuxi 214081, Jiangsu, Peoples R China
2.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Jiangsu, Peoples R China
3.Chinese Acad Fishery Sci, Aquat Anim Genome Ctr, Freshwater Fisheries Res Ctr, Wuxi 214128, Jiangsu, Peoples R China
关键词： Coilia nasus; Brain; Transcriptome; Salinity; Stress
期刊名称：BMC GENOMICS （ 影响因子：3.969； 五年影响因子：4.478 ）
ISSN： 1471-2164
年卷期： 2020 年 21 卷 1 期
页码：
收录情况： SCI
摘要： Background Coilia nasus(C. nasus) is an important anadromous fish species that resides in the Yangtze River of China, and has high ecological and economical value. However, wild resources have suffered from a serious reduction in population, attributed to the over-construction of water conservancy projects, overfishing, and environmental pollution. The Ministry of Agriculture and Rural Affairs of the People's Republic of China has issued a notice banning the commercial fishing of wildC. nasusin the Yangtze River. WildC. nasuspopulations urgently need to recover. A better understanding ofC. nasusmigration patterns is necessary to maximize the efficiency of conservation efforts. JuvenileC. nasusexperience a simultaneous effect of increasing salinity and cold stress during seaward migration, and the brain plays a comprehensive regulatory role during this process. Therefore, to explore the early seaward migration regulation mechanism of juvenileC. nasus, we performed a comparative transcriptome analysis on the brain of juvenileC. nasusunder salinity and cold stress simultaneously. Results Relevant neurotransmitters, receptors, and regulatory proteins from three categories of regulatory pathway play synergistic regulatory roles during the migration process: neuronal signaling, the sensory system, and environmental adaptation. The significant differential expression of growth-related hormones, thyroid receptors, haptoglobin, and prolactin receptors was similar to the results of relevant research on salmonids and steelhead trout. Conclusions This study revealed a regulatory network that the brain of juvenileC. nasusconstructs during migration, thereby providing basic knowledge on further studies could build on. This study also revealed key regulatory genes similar to salmonids and steelhead trout, thus, this study will lay a theoretical foundation for further study on migration regulation mechanism of anadromous fish species.
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